Ventilator



Jan. 17, 1950 F. L. ROSE 2,494,835

1 VENTILATOR Filed Aug. 25, 1947 AZ I 7 l&--

II'III' I INVIFRH'OR 3 FRED L, ROSE ATTORNEY Patented Jan. 17, 1950 VENTILATOR Fred L. Rose, Marietta, Ohio, assignor to The Airolite Company, Marietta, Ohio, a corporation of Ohio Application August 25, 1947, Serial No. 770,399

This invention relates to a ventilator, useful for many purposes, but designed to be especially useful as a closure for transoms, doorways, windows, panels, or the like.

An object of the invention is to provide a ventilator of the general character as hereinafter set forth wherein will be incorporated desirable, novel and improved features and characteristics of construction.

A further object is to provide a ventilator of simple and inexpensive construction which will be an' improvement generally over ventilators heretofore of commerce of more or less similar type.

A further object is to provide a ventilator which will consist of a frame having a plurality of louvers pivoted therein to turn on theiraxes between open and closedpositions, and will include a novel and improved construction and arrangement for causing the louvers to be positively moved to their closed position when this is intentional.

A further object is to provide a ventilator which will consist of a frame, louvers pivotally supported by said frame, means adapted to be manipulated to cause the louvers to be actuated to an open condition of the ventilator, and a novel and improved construction and arrangement including a weight actuated mechanism for causing said louvers to be positively actuated to a closed condition of the ventilator when this is intentional.

And a further object is to provide a ventilator which will comprise a frame, louvers pivoted therein, means adapted to be manipulated to cause the louvers to be actuated to open position, and a novel and improved construction and arrangement including a weight actuated mechanism for actuating said louvers to closed position upon destruction of a fusible link.

With the above objects in view, as well as others which will appear as the specification proceeds,

the invention comprises the construction, ar

rangement and combination of parts as now to be fully described and as hereinafter to be specifically claimed, it being understood that the disclosure herein is merely illustrative and intended in no way in a limiting sense, changes in details of construction and arrangement of parts being permissible as long as within the spirit of the invention and the scope of the claims which follow.

In the accompanying drawing forming apart of this specification, a l

Fig. 1 is a front or interior elevational view of 6 Claims. (Cl. 98-110) a ventilator made according to the invention;

Fig. 2 is an enlarged vertical transverse sec tional view, taken substantially on line 2-2 in Fig. 1, disclosing the louvers of the ventilator in open position;

Fig. 3 is a fragmentary vertical longitudinal sectional view, taken substantially as on line 3--3 in Fig. 2;

Fig. 4 is a vertical transverse sectional view, taken substantially as on line 4-4 in Fig. 3; and

Fig. 5 is a detail sectional view.

The improved ventilator herein disclosed is constituted as a frame of rectilinear configuration, louvers pivotally mounted in said frame, means adapted to be manipulated to cause the louvers to be actuated to an open condition of the ventilator, and mechanism for causing the louvers to be actuated to a closed condition of the ventilator when this is intentional. I

The frame, as shown, is composed of sheet metal. It includes a top member III, a bottom member II and side members l2 and I3. The top member I!) is constituted as a plate [4 having upwardly extending, interior and exterior flanges, the bottom member H is constituted as a plate l5 having downwardlyextending, interior and exterior flanges, the side member [2 is constituted as a plate l6 having outwardly extending, interior and exterior flanges, and the side member 13 is constituted as a plate I! having outwardly extending, interior and exterior flanges. Meeting end portions of the top and bottom members l0 and H and the side members l2 and I3 are integrally connected so that the rectilinear frame is constituted as a unitary structure.

A transverse wall la, in spaced, parallel relation to and disposed inwardly of the plate I1, provides, together with said plate I! and portions, indicated l9 and 20, of. the interior and exterior walls, respectively; of the rectilinear frame of the ventilator, a vertically disposed, rectilinear housing 2! of the ventilator for a pur-- pose to be set forth. The rectilinear housing 2| is situated at the side of the transverse wall 18 which is opposite the plate l6.

The louvers of the ventilator preferably may be composed of sheet metal. As shown, said louvers are disposed in the frame of the ventilator in parallel relation to the top and bottom members l0 and H and in perpendicular relation tothe side members 12 and I3.

The plate Id of the top member Ill provides a downwardly and interiorly extending surface 22 situated between the plate l6 and the transverse wall It! and disposed at somewhat closer relation and span substantially the distance between'the' plate iii and the transverse wall l8. As disclosed, each pivoted louver 24 consists of a bodyportion 25 having an extension portion 26 upon one of its sides disposed in acute angle. relationto said body portion. The body portions and extension portions of the louvers are integrally joined atztheir upper sides. The extension portion 26 of each louver has ears, indicated 27 and 28, respectively, upon its opposite ends, the ears preferably being integral with and arranged at right angular relation to said extension portions, The louvers are pivotally mounted on the plate I t and thetransverse wall iii in the manner best shown inFigs. 5, 2 and3. Each of the ears 21 is provided with an aperture rotatably receiving a lug 29. on the plate l6.,.and each of. the ears 28 is provided with an aperture rotatably receiving a lug, 38" on the transverse wall. 18. The pivotal points for the louvers are arranged adjacent the opposite ends of the extensionportions 26 close to the midwidths of said extension portionslas shown.

Numeral 3| represents an. operating bar for manipulating thelouvers 24 on their pivots, said operating bar being arranged. between the ears 28 and the transverse, wall l3. Each. of said ears 28 is pivotally connected to. the. operating bar 3| by a pin 32. An. operating-lever or trigger 33 for. said louvers 24 ispivotallymountedupon the uppermost lug Ell and is connected by theuppermost pin 32 to the uppermost ear 28. Metallic pieces, designated 34' and 35, upon the interior and exterior walls, respectively, f the rectilinear frame of the ventilator and. extending inwardly of the. transverse wall id at its opposite side edges, are in. covering relation to the operating bar 3! and the adjacent ends of the louvers 24, and a vertical slot 36 in the metallic piece 34freely receives the operating lever or. trigger 33. Said operating lever or trigger projectsinteriorly of the frame of theventilator. and its. throw determines the distance the operatingbar 3! can move longitudinally, and hence limits the degree to which the louvers can be turned on their pivots. The construction. and arrangement will be such that when the louvers have been moved to wide open position, the operating. lever or trigger 33 will engage the upper end of the vertical slot 36. The closed position of the louvers will be determined by engagementof thebody portion 25 of each louver with the body portion 25 of the louver just beneath, engagement of the body portion of the uppermost louver with the surface 22 and engagement of the body portion of the lowermost louver with, thesurface 28, as will be understood.

The vertically disposed, rectilinear housing 2| contains a weight actuated mechanism, consti-- tuted as an actuating device 37, for causing thelouvers 24 to be positively moved to closed condition of the ventilator-when this is intentional. A weight 33 for causing the mechanism or device 3'! to be actuated and a fusible link 39 for supporting said weight 33 are also situated in said rectilinear housing 2 i.

Said mechanism or device 3'! is composed of rigid material, desirably metal, and includes a body portion 48 constituted as a flat slab disposed vertically in the rectilinear housing 2!, a projecting element 4! integral with an upper part of said body portion and a strike plate 42 integral with the lower end of the body portion and disposed horizontally in said rectilinearhousing: The projecting. element 4| extends: interiorly from the body portion 40 and passes freely through vertical slots 44 and 45 in the transverse Wall [8 and the portion l9 of the interior wall of the ventilator, respectively, and said projecting element includes an offset portion 43 pivotally connected by a pin 46 to the: interiorend portion of the operating lever ortrigg'er 33; The vertical slot 45 is contiguous with the vertical slots 35 and 44.

The fusible link 39 is suitably and conveniently supported, as at 41, by a hanger 48 itself supported, as at 49, in. an upper portion of the rectilinear housing 2-!2 In turn, the weight 38 is supported, as at 50; by said fusible linkin such manner as to causesaidweight to be situated at a side of the body portion 40, directly aboveand in spaced relation to the strike plate 42. The weight 38 desirably can be of lead, and in the disclosure as made saidweight is of rectilinear configuration. Also; the weight 38' is of crosssectional dimension to be in spaced relation to defining side walls of the rectilinear housing 21!, andppenings in the portions l9and 20 of the interior and: exterior walls of the ventilator at the location of saidrectilinear housing are indicated 5|, 5|.

The construction and arrangement will be such that the louvers 24 normally will remain in any position to which manually adjusted; The construction and arrangement also will be such that when said louvers are in wide open position, as in Figs. 2 and 3, or-in any partially open position, the strike plate 42 will be situated at an elevated position in the rectilinear-housing 2i to be-struck'by'the weight 38 upon release of saidweight by the fusible link-39. The mechanism or device 31' including'the strike plate 42 will be elevated in response to upward swinging movement of the. operating lever or' trigger 33' causing the louvers 24 to be moved toward open position, said louvers normally will remain in any open position. to which manually adjusted, and upon destruction of the fusible link 39 the weight 38 will. be released tofall by gravity and strike a downward blow against said strike plate 42 to cause said mechanismbr device 3'!v to be depressed thus. to cause. said operating. lever or trigger. .33 to be swung downwardly and the louvers to be positively movedto closedpositiom The louvers 2.4v will become closed in positive manner whether heat sufficient to destroy the fusible link 39 is applied at the interior or exterior sideoftheventilator, the openings 5!, 5i affording freeaccessof heat'to said fusible link.

The transverse wall it alsocan be provided with openingsfor passage-of heat.

It will be noted" that the louvers are adaptedto be. moved between open; and. closed condi-- tions, independently of the-fusible link and the weight 38 which. said fusible link normally supports, in response to raising andlowering operations' of: the operating lever." or trigger 33. Also' it will be noted that the whole of the operating mechanism, except the lever, or trigger 33 and the projecting element 4!, is enclosed within the frameofthe ventilator.

In the illustrated embodiment of the invention, the operating mechanism for the louvers is accessible at the upper right hand corner of the ventilator. It will be understood, however, that operating mechanism within the principles of the invention can be situated to be accessible at any other location which may be preferred, such, for example, as at the upper left hand corner, the lower left hand corner, or the lower right hand corner of the ventilator. In the event of employment of operating mechanism accessible at location other than as disclosed, the construction and arrangement of the elements of the operating mechanism of course will be modified to be suitable to the installation.

What is claimed is:

1. A ventilator comprising a frame providing spaced apart supports, a louver mounted on said spaced apart supports fo movement between an open and a closed position, an operating lever rigid with said louver and projecting interiorly of said frame adapted to be moved upwardly and downwardly to cause the louver to be actuated to said open and closed positions, respectively, an actuating device for causing said operating lever to be moved downwardly situated in said frame to be capable of having substantially vertical movement and connected to said oper ating lever at a location interiorly of the frame. a weight situated within said frame above and in spaced relation to a part of said actuating device to be capable of having substantially vertical movement, and a fusible element supporting said weight, said actuating device being adapted to be moved upwardly in response to upward movement of said operating lever, said weight being adapted to fall, by gravity against said actuating device upon destruction of said fusible element, and the actuating device being adapted to be forcibly moved downwardly in response to a blow struck thereagainst by said weight to cause said operating lever to be moved downwardly thus to actuate said louver to said closed position.

A ventilator comprising a frame providing spaced apart supports, a louver pivotally mounted on said spaced apart supports for movement between an open and a closed position, an operating lever rigid with said louver and projecting interiorly of said frame adapted to be swung upwardly and downwardly to cause the louver to be actuated to said open and closed positions, respectively, an actuating device for causing said operating lever to be swung downwardly situated in said frame to be capable of having substantially vertical movement and pivotally connected to said operating lever at a location interiorly of the frame and in spaced relation to said louver, a weight situated within said frame above and in spaced. relation to a part of said actuating device to be capable of having substantially vertical movement, and a fusible element supporting said weight, said actuating device being adapted to be moved upwardly in response to upward swinging movement of said operating lever, said weight being adapted to fall by gravity against said actuating device upon destruction of said fusible element, and the actuating device being adapted to be forcibly moved downwardly in response to a blow struck thereagainst by said weight to cause said operating lever to be swung downwardly thus to actuate said louver to said closed position.

3. A ventilator comprising a frame providing spaced apart supports, a louver mounted on said spaced apart supports for movement between an open and a closed position, an operating lever rigid with said louver and projecting interiorly of said frame adapted to be moved upwardly and downwardly to cause the louver to be actuated to said open and closed positions, respectively, an actuating devicefor causing said operating lever to be moved downwardly constituted as a body portion and a strike plate situated in said frame to be capable of having substantially vertical movement and a projecting element disposed interiorly of said frame adjacent said operating lever, means connecting said projecting element and operating lever to each other at a location in spaced relation to said louver, a weight situated within said frame above and in spaced relation to said strike plate to be capable of having substantially vertical movement, and a fusible element supporting said weight, said actuating device being adapted to be moved upwardly in response to upward movement of said operating lever, said weight being adapted to fall by gravity against said strike plate upon destruction of said fusible element, and the actuating device being adapted to be forcibly moved downwardly in response to a blow struck against said strike plate by said weight to cause said operating lever to be moved downwardly thus to actuate said louver to said closed position.

4. A ventilator comprising a frame providing spaced apart supports, a louver pivotally mounted on said spaced apart supports for movement between an open and a closed position, an operatv ing lever rigid with said louver and projecting interiorly of said frame adapted to be swung upwardly and downwardly to cause the louver to be actuated to said open and closed positions, respectively, an actuating device for causing said operating lever to be swung downwardly constituted as a body portion and a strike plate situated in said frame to be capable of having substantially vertical movement and a projecting element disposed interiorly of said frame adjacent said operating lever, means pivotally connecting said projecting element and operating lever to each other at a location in spaced relation to said louver, a weight situated within said frame above and in spaced relation to said strike plate to be capable of having substantially vertical movement, and a fusible element supporting said weight, said actuating device being adapted to be moved upwardly in response to upward swinging movement of said operating lever, said weight being adapted to fall by gravity against said strike plate upon destruction of said fusible element, and the actuating device being adapted to be forcibly moved downwardly in response to a blow struck against said strike plate by said weight to cause said operating lever to be swung downwardly thus to actuate said louver to said closed position.

5. A ventilator comprising a frame providing spaced apart first and second supports and a passageway at a side of said first support opposite said second support, a louver mounted on said first and second supports at the side of the first support opposite said passageway for movement between an open and a closed position, an operating lever rigid with said louver and projecting interiorly of said frame adapted to be moved upwardly and downwardly to cause the louver to be actuated to said open and closed positions, respectively, an actuating device for causing said operating lever to be moved downwardly. constituted. asabody: portion and a strike platesituated in said. passageway to be capable of having substantially. vertical movement and a: projecting element disposed interiorly'of said frame, adjacent said operating, lever at the side of said first support opposite the operating lever, means connecting said projecting element and operating lever to each other at a location in spaced relation to said frame, a weight situated within said passageway-above and in spaced relation to said strike plate to be capable of having substantially vertical movement, and a fusible element, supporting said Weight, said actuating device being adapted; to be moved upwardly in response to upward movement of saidoperating lever, said weight being adapted to fall by gravity against saidstrike plategupon destruction of said fusible element, and? the actuating devicebeing adapted to be forcibly moved downwardly in response to a blow struck against said strike plate by said Weight to-cause said operating lever to be moved downwardly thus to actuate said louver to said closed, position.

6.- A; ventilator comprising a frame providing spaced apart first and second supports and a passageway ata sideof said first support opposite said: second support, a louver pivotally mounted on said'firstandsecond supports at the side-of the first supportopposite saidpassageway for movement between an open and a closed position, an operating lever rigid withsaid louver and projecting interiorly of said frame adapted to be swung upwardly and downwardly to cause the louver tobe actuated to said open and closed.

positions, respectively, an actuating device for causing said operating lever to be swung downwardly constitutedas a body portion and a strike plate situated in said passageway to be capable of having substantially vertical movement and a: projecting element disposed, interiorly, of said frame, adjacent said operating lever" at, the, side. of said first, support oppositetheoperating lever, means pivotally connecting said projecting element andoperatinglever to each other at a loca tion in spaced relation to said frame, a weight situated within said passageway above and in spaced relationto said strike plate. tobe capable of having substantially vertical, movement, anda fusible link supporting said weight, said actuatingdevicebeing adapted'to be moved upwardly in response to upward swinging movement of said operating lever, said weight being adapted to fall by gravity against said strike plate upon destruction of said fusible element, and the actuating device being adapted to be forcibly moved downwardly in response to a blow struck against said strike plate by said weight to cause said operating lever to be swung downwardly thustoactuate said louver to said closedposition.

FRED L. ROSE.

REFERENCES" CITED The following referencesare of record in the file of this patent:

UNITED STATES PATENTS Number Name- Date 1,042,575 Lindemeyer- Oct. 29, 1912 1,133,089 Broomell Mar. 23,1915 1,627,013 Cowie l May 3,1927. 1,788,556 Wood et al. Jan. 13, 1931 1,871,161 Dickson Auge 1932. 2,019,378 Allen Oct. 29, 1-935. 2,217,472 Cosowsky Oct. 8, 1940 2,250,787 Anderson July: 29, 1941: 2,287,262 Merry June.23-, 1942 

